SERVICE SYSTEM DEVELOPMENT OF SMART LOCAL ADMINISTRATIVE ORGANIZATIONS
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Abstract
This research primarily aimed to develop an online public service system using LINE LIFF and Serverless Architecture, specifically for the Phrom Lok Subdistrict Municipality (Smart Phromlok: e-Service), to enhance public services by making them more convenient, rapid, and transparent. Secondary objectives included evaluating the system's technical efficiency and assessing user technology acceptance through the Technology Acceptance Model (TAM). The study employed a Research and Development (R&D) methodology integrated with Agile software development to create a web application on the LINE LIFF platform. The system utilizes Serverless Architecture powered by Firebase, featuring identity authentication and Cloud Firestore for NoSQL database management to support real-time request status updates. Data collection was conducted between 2025 and 2026 using purposive sampling with three groups: 1) 5 experts in software engineering and community development; 2) 10 municipal officers; and 3) 400 citizens within the municipality who use the LINE application. The results revealed that the system achieved a very high level of technical efficiency ( = 4.75, S.D. = 0.42), particularly in performance and reliability. User technology acceptance among citizens was also at a very high level (
= 4.65, S.D. = 0.50), specifically regarding Perceived Ease of Use (PEOU = 4.72), which was positively influenced by the familiarity of the LINE platform. Although this study is limited to the Phrom Lok Subdistrict Municipality, the system serves as a cost-effective innovative model for small local governments. It significantly reduces the burden of server infrastructure investment and can be sustainably expanded to other dimensions of smart city management.
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References
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